Purpose of pre chlorination as I water treatment?

Pre-chlorination is the process of adding chlorine to water before it undergoes further treatment in a water treatment plant. The purpose of pre-chlorination is to disinfect the water and kill any harmful bacteria, viruses, and other microorganisms that may be present in the raw water. This helps to protect public health by reducing the risk of waterborne diseases and ensuring that the water is safe to drink. Additionally, pre-chlorination can also help to control algae growth and remove odors and tastes from the water.